When bison were cross-bred with domestic cattle, a hybrid dubbed the "Beefalo" was spawned. But the creatures escaped and are now causing environmental havoc in The Grand Canyon. Some want a cull, but is this the best way to deal with the animals?

Drinking a few cups of coffee a day may help people avoid clogged arteries - a known risk factor for heart disease - Korean researchers believe. The study authors say more research is needed to confirm and explain the link.

Gene Alday, a Republican member of the Mississippi state legislature, apologized last week for telling a reporter that all the African-Americans in his hometown of Walls, Mississippi, are unemployed and on food stamps.